Lighting fixture mounting knuckle



FIG. 1 is a perspective view of the lighting fixture mounting knuckle according to the present invention.

FIG. 2 is a side elevation thereof.

FIG. 3 is an opposite side view thereof.

FIG. 4 is another side elevation view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines adjacent to the claimed surfaces represent the bounds of the claimed design and the remaining broken lines illustrate unclaimed portions of the lighting fixture mounting knuckle. All broken lines form no part of the claimed design.

The surface shading shown in the drawing disclosure is solely intended to indicate surface contours and does not represent reflective or transparent characteristics. 

We claim the ornamental design for a lighting fixture mounting knuckle, as shown and described. 